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linux-next/arch
Khalid Aziz 494e5b6fae sparc: Resolve conflict between sparc v9 and M7 on usage of bit 9 of TTE
sparc: Resolve conflict between sparc v9 and M7 on usage of bit 9 of TTE

Bit 9 of TTE is CV (Cacheable in V-cache) on sparc v9 processor while
the same bit 9 is MCDE (Memory Corruption Detection Enable) on M7
processor. This creates a conflicting usage of the same bit. Kernel
sets TTE.cv bit on all pages for sun4v architecture which works well
for sparc v9 but enables memory corruption detection on M7 processor
which is not the intent. This patch adds code to determine if kernel
is running on M7 processor and takes steps to not enable memory
corruption detection in TTE erroneously.

Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-05-31 22:15:01 -07:00
..
alpha alpha: forward declare struct pt_regs in processor.h 2015-04-17 09:03:53 -04:00
arc arc: do not export symbols in troubleshoot.c 2015-04-17 09:04:09 -04:00
arm Merge git://www.linux-watchdog.org/linux-watchdog 2015-04-22 11:22:55 -07:00
arm64 ARM: SoC 64-bit changes for v4.1 2015-04-22 09:23:58 -07:00
avr32 Merge branch 'exec_domain_rip_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc 2015-04-15 13:53:55 -07:00
blackfin This is the final removal (after several years!) of the obsolete cpus_* 2015-04-20 10:19:03 -07:00
c6x C6X Fixes for v4.1 2015-04-16 18:48:55 -04:00
cris Merge branch 'akpm' (patches from Andrew) 2015-04-15 16:39:15 -07:00
frv Merge branch 'exec_domain_rip_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc 2015-04-15 13:53:55 -07:00
hexagon Merge branch 'exec_domain_rip_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc 2015-04-15 13:53:55 -07:00
ia64 PCI updates for v4.1: 2015-04-22 11:26:00 -07:00
m32r Char/Misc driver patches for 4.1-rc1 2015-04-21 09:42:58 -07:00
m68k Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu 2015-04-20 10:12:29 -07:00
metag Merge branch 'exec_domain_rip_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc 2015-04-15 13:53:55 -07:00
microblaze microblaze: use asm-generic for seccomp.h 2015-04-17 09:04:10 -04:00
mips TTY/Serial patches for 4.1-rc1 2015-04-21 09:33:10 -07:00
mn10300 Merge branch 'exec_domain_rip_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc 2015-04-15 13:53:55 -07:00
nios2 Merge branch 'akpm' (patches from Andrew) 2015-04-15 16:39:15 -07:00
openrisc Merge branch 'akpm' (patches from Andrew) 2015-04-15 16:39:15 -07:00
parisc parisc: Replace PT_NLEVELS with CONFIG_PGTABLE_LEVELS 2015-04-21 22:04:03 +02:00
powerpc This is the final removal (after several years!) of the obsolete cpus_* 2015-04-20 10:19:03 -07:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2015-04-20 10:15:33 -07:00
score arch: Remove exec_domain from remaining archs 2015-04-12 21:03:30 +02:00
sh This is the final removal (after several years!) of the obsolete cpus_* 2015-04-20 10:19:03 -07:00
sparc sparc: Resolve conflict between sparc v9 and M7 on usage of bit 9 of TTE 2015-05-31 22:15:01 -07:00
tile This is the final removal (after several years!) of the obsolete cpus_* 2015-04-20 10:19:03 -07:00
um Merge branch 'exec_domain_rip_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc 2015-04-15 13:53:55 -07:00
unicore32 Merge branch 'exec_domain_rip_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc 2015-04-15 13:53:55 -07:00
x86 Some virtio internal cleanups, a new virtio device "virtio input", and 2015-04-22 10:55:06 -07:00
xtensa Xtensa changes and fixes for 4.1 2015-04-17 15:32:30 -04:00
.gitignore
Kconfig powerpc updates for 4.1 2015-04-16 13:53:32 -05:00